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Problem tightening torsion bar keys
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yo blazerforums,
this is my first post. i've recently bought a chevy blazer 2002 and would like to get rid of the nose down look by turning the torsion bar bolts 2 turns. the problem is that the bolts are bottomed out against the keys. how do i go about tightening my torsion bar preload? here is a picture of what both driver and passenger side looks like https://blazerforum.com/forum/attach...ine=1379802253 https://blazerforum.com/forum/attach...ine=1379802253 am i unable to turn them at all? |
The only thing you could do st this point is get a longer grade 8 bolt and replace the shorter one or buy lift keys and replace them but by looking at the pics there already maxed out
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i would say that those are completely maxxed out... like toyhauler said, you can get longer bolts.
how is the front now? if you go too high you will be putting parts on quite often. and 2 full turns of a stock torsion bolt is about .4 inches. as in 4 tenths of an inch. just a shade under half an inch. yours dont appear to be stock so i would take some measurements so that way you know where you are, and where you end up. |
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the previous owner of this blazer must have tightened it. i havent tightened them at all myself and there already maxed out. as for the front end it isnt any high than what i would imagine stock height is
https://blazerforum.com/forum/attach...ine=1379806936 |
Torsion bars wear out. Check junk yards for a set of low mileage bars, bars from a zr2, or buy lift keys off eBay. I must say the underside of that thing looks immaculate.
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Looks to me like you have worn/saggy torsion bars. Best bet is like Sickman said and try to find some replacement bars. If you decide to replace the torsion bars, this info might help a little:
Originally Posted by jsmz
(Post 277457)
Yep, first off the chilton manual says to push the bar forward into the control arm, drop it out of the cross member and pull out the back. but after droping the bar, its at an angle that doesnt like to pull out
I have a better way, tap both bars forward enough to drop the keys out. then unbolt the two cross member bolts & drop that out. then pull the bars straight out the back. now that ive said that here is the list of bars gm made Part Number Bar Dia. NOM Torque LH 15956501 26.63mm 1052 RH 15956502 26.63mm 1052 LH 15956503 27.94mm 1276 RH 15956504 27.94mm 1276 LH 15956505 29.36mm 1450 RH 15956506 29.36mm 1646 LH 15956509 30.69mm 1883 RH 15956510 30.69mm 1883 LH 15956511 32.51mm 2305 RH 15956512 32.51mm 2305 The old ones had settled two inches since i got it. they were the 27.94mm bars. Put in the 30.69mm bars off a 03 zr2 with 33,xxx miles. I must say, it drives more like a 4x4. feels alot more stable going over bumps.https://blazerforum.com/forum/pictur...pictureid=6410 |
Why isn't there new replacement torsion bars?
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